1. My brother has lost two pounds in the last two weeks.2. She has lost some weight after she's back from her vacation in India.
lose (weight)我弟弟在這兩週瘦了兩公斤 = My brother has lost two kilograms in the last two weeks.美國的重量是以 pound 做單位，也就是磅，一公斤等於 2.20462262 磅
All the work I've been putting into this project has been all for nothng because my boss is shutting it down.